Bottle-closure.



P. W. E. CLAY. BOTTLE CLOSURE.

V PATENTED JULY 23, 1907.

ABPLIOATION FILED MAY 12, 1906.

2 SHEETSSHEET 1.

I @ATENTED JULY 23, 1907. P. W. H. GLAY.-

BOTTLE CLOSURE. APPLIUATION FILED MAY 12,1905.

2 SHEETS-SHEET 2.

inaiter appear, I attain by means lar.

FRANCIS W.

T @l h lilhl.

n1. CLAY, or PITTSBURG, PENNSYLVANIA.

osses.

No. scopes.

specification of Letters Patent.

Patented July as, 196?.

Application filed May 1.251906, flsrisl H9. 318,466.

To all whom "it may concern:

Be it known that I, FRANCIS W. H. Star, a citizen oi the United States, residing at Pittsburg, in the county f of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Bottle-Clo- :tres, of which the following a specification.

My invention relates to means for sealing bottles, jars and the like, and particularly to metallic bottle closures.

The primary objects are, to provide a resilient pressure on the packing between the cap and the bottle head, to provide a leverage device for inducing such pressure, to render easier the placing of a metallic cap and more secure the fastening of the same; and to avoid the necessity of making the bottle head perfectly regu- These objects, and other advantages which will herei of the devices illustrated in the accompanying drawings forming part of this specification. i

Figure l is a plan of the preferred blank. Figs. 2 and 3 are respectively a top plan and an under plan of the cap in its initial position. Figs. 4 and 5 are vertical cap as closed on the bottle, and Fig.

'7' is an under plan view of the cap and a section of the bottle neck. Figs. 8 and 9 are respectively vertical central sections, corresponding to Figs. 4 and 5,but showing the cap closed. Fig. 10 shows another form of blank, andFig. 11 a side elevation of a simple iorrn of the cap. Fig. 12 shows another form of bottle with the cap of Fig. 11 being placed thereon by a convenient tool. Figs. 13 and 14' show Other forms for perforating the cap for different purposes. Fig. 15 is a diagram of a part of the corrugated engaging ring, to show the theoretical action of the same.

In patents heretofore granted to me I have pointed out the desirability of providing the resiliency necessary to maintain a seal, not in a packing but in the cap itself. In the present'instance, (referring first to Figs.- 1 to 9 showing a preferred form of the cap), it will be seen that the blank 16 is provided with slits or slots 17 and the metal is given an initial position as shown in Figs. 2 and 3, wherein the separated members or partial derside of the head 21 of the bottle rings 18 formed by slotting the blank, are each bent into such a shape that a portion of it, 19,projects outwardly at a wide vertical angle and the central portion 20 is inwardly indented to engage the unand the side'of the neck (see Fig. 5). In thisform the cap may be snapped over the outside flange of the bottle head, and now when the projections 19 are pressed downwardly and inwardly, the thrust on the two sides of the partial ring 18 bottle head, yielding loosely woven which the cause the latter to swing in an inward and upward direction, which will bring the point 20 in contact first with the underside of the bottle head and then with the find their own seat and conform both to the side of the bottle neck and to the place is necessary for such conformity. Furthermore, it will be seen that the metal between the points 19 and 20 forms essentially a resilient lever beam. under stress, and therefore the pressure on the cap exerted by the strained. metal. This dispenses with the necessity of any elasticity in the packing, and'the packing23 may be totally inelastic. I prefer-to use a paper impregnated with parafifin, and it may either be in the form of a ring engaging'only the top of the bottle head, or may be a disk extending over the whole surface of the cap.

It will be understood that in bottling beer, for ex-.

ample, a stopper is subjected to considerable heat in the sterilizing process and at such times the parafiin in the paper softens and molds itself to the bottle head so that when the stopper is cooled again there is an absolutely air tight seal held down by the resiliency of the cap. The packing may be made of any fibrous material impregnated with any kind of gum or wax the stopper is put. 1

One bend on the partial ring 18 is often sufiicient, as shown in Fig. 11, andthe metal may be simply; divided by slit 17 as shown in Fig: 10, in order to allow of displacement of the engaging bars or partial rings. In Figs. 13 and 14 I have shown other forms for making the slots so that the cap may be made to fit any imaginable shape of bottle head having an outside annular projection.

In Fig. 12 I have shown a flat topped cap, as that of Fig. 11, applied to a peculiar form of bottle head in engaging portion 20 of the cap cannot reach the neck of the bottle but takes effect only on-the underside of the head. Also in this figure I show a simple by reason of the flexibility of the partial ring" members 18 they will be enabled to;

is resilient and constant-1y tool, 24, for putting on the cap: its essential part is a hollow cone 25 which is pushed down on the stopper and simultaneously compresses the packing disk 23 and engaging the outwardly projecting points 19 of the cap pushes them downwardly and inwardly so as to provide the upward thrust on the parts 20 of the arched ring, as before described.

" liil ig: 15 I have shown adiagram showing the stresses in the separated partial ring or corrugated member 18. It will be seen that the action above described is in th vory the same as if this beam were pivoted at the points a, a, and the points I), b, are turned in the direction shown. by arrows which will cause an upward and inward movement of the point c. Thus a very slight movement at b will cause a large movement at c; and the member acting as a beam is resilient in a vvcrri :al direction as well as horizontally.

It will also appear plain from this figure that the member 18 can ill itself under the pressure to any size and shape of either the neck or head of the bottle.

Heretoioro great difficulty has been experienced in making a seal with metallic caps, as well as placing such caps on bot;les, by reason of the necessity of having the metal take some exact form, both before and after bending. :Ihese defects are cured by the re siliency and adaptability of the engaging members my device.

Other advantages willreadily occur to those familiar with the art.

While I have illustrated and described constructions which are well adapted to perform the desired functions of the invention, it will be obvious that various changes or variations may be made by the skilled mechanic, and all such changes are to be considered as Within the scope of the following claims.

Having thus deiicribed my invention and illustrated its use what I claim is new and desire to obtain by Letters Patent is the following:

1. A bottle closing cap comprising a covering dlslr, provided with severed portions connected to the disk at intervuls and having a downwardly arched form, whereby when the attached ends are pushed downward and inward the arch is forced up to engage underneath the head of a bottle, substantially as described.

2. A bottle closure of sheet metal having a holding portion composed of an external alternately severed and connected peripheral ring, the connected portions belng arched upward and the severed portions arched downward sub stantially as set forth.

3. A bottle closure of sheet metal having a series of outwordly and upwardly bowed peripheral projections and ln= fervening annularly severed downwardly bowed portlons adapted to exert resilient pressure upwardly against the head of the bottle, substantially as set forth.

4. A bottle closing cap having an undulating partly disconnected flange to engage the bottle, a portlon of said slnrl or flange with downward bends severed from the cover, substantially as described.

6. A bottle closure of sheet metal having a continuous outer rim partially severed from its inner portion by a series of slots with intervening integral portions, said severed portions being downwardly arched, substantially as set forth.

7. A bottle closure of sheet metal having a continuous outer portion partially severed from its inner portion by a series of slits with intervening inclined integral portions, and the severed portion being downwardly arched, substantially as set forth.

8. A bottle closure of sheet metal having a continuous outer portion partially severed from its inner portion by -a series of slits with intervening integral portions, said severed portion being depressed and radlallycorrugate'd, subouter portion partially severed from its inner portion by a series of slits with intervening upwardly arched integral portions, the severed portions being radially corrugated and de pressed below the integral portlons to provide engaging arches, substantially as set forth.

10. A sheet metal bottle closurehavlng a middle seallng portion a series of upwardly arched flange portlons and outer depressed partially severed holding portlons, substantially as set forth.

11. A sheet metal bottle closure comprising a middle sealing portion and an outer lntermlttently arched flange having intervening partially severed inwardly bent engagl'ng portlon, substantially as set forth;

'12. A sheet metal bottle closure comprlslng a mlddle sealing portion and a continuous outer depressed rlm havlng partially severed inwardly bent radially corrugated holding elements, substantially as set forth.

13. The combination with a shouldered bottle neck of a sheet metal closure comprising a middle sealing portion and a continuous outer depressed holding rim having severed lnwardly bent holding arches, substantially as set forth.

14. The combination with a shouldered bottle neck, of a sheet metal closure comprising a middle sealing portion and an outer intermittently arched skirt and alternating severed inwardly bent holding portions, substantially as set forth.

15. The combination with a shouldered bottleneck, of a sheet metal closure havlng a middle sealing portlon and an outer depressed annular flange provided with partially sevcred inwardly bent sections adapted to engage the bottle shoulder, and intervening connected upwardly arched portlons.

16. A bottle closing cap comprising a disk and a corrugated ring attached thereto at intervals, the separated parts of the ring forming levers to engage the bottle head when the integral parts are depressed.

In testimony whereof I affix my signature in presence of two witnesses.

' FRANCIS W. n. CLAY.

Witnesses:

Crrls, S. Lnrnnr, E. R. R000.

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